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Posted by admin | May 15, 2016 | Linux, Technology-Howto, Ubuntu |
In Order to emergency, change configuration or reset root password. Follow following steps 1. Shutdown the computer 2. Boot into Recovery Mode –After BIOS load, hold down Shift key to access the grub menu –Once in...
Read MoreTo adjust the voice gain level, tx or rx : at Dahdi config : /etc/asterisk/chan_dahdi.conf txgain : Increase for outgoing audio. Default 0. rxgain : Increase for incoming audio. Default 0. After done, restart asterisk to make it...
Read MorePosted by admin | May 15, 2016 | Linux, Technology-Howto, Ubuntu |
To check SSD health, need to install smartertools At Ubuntu or similar Distro (CentOS please use yum) #apt-get install smartmontools Check the Media_Wearout_Indicator # smartctl -a /dev/sda | grep Media_Wearout_Indicator To show...
Read MorePosted by admin | May 15, 2016 | OpenVZ, Technology-Howto, VirtualMachine |
OpenVZ is container based virtualization for Linux. Following is frequently used command : 1. List all Running VPS node #vzlist 2. List all Running and Stopped VPS node #vzlist -a 3. To start VPS #vzctl start CTID 4.To stop or...
Read MorePosted by admin | Apr 30, 2016 | Cisco, Technology-Howto |
PVID = Port Vlan ID PVID (Port VLAN ID) is a default VLAN id assigned to frames coming to the port Example 1. interface fa0/1 switchport mode access switchport access vlan 10 switchport voice vlan 20 switchport trunk...
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